Respostas

2013-11-02T23:44:17-02:00
X - y = 110
x = 6y + 10

6y + 10 - y = 110
5y = 100
y = 20
x - 20 = 110
x = 130

130.20 = 1300.2 = 2600
Confere?
2 5 2